• arcsec   grad
  •  
Rounding Mode:

An arcsecond is a fascinating unit of angular measurement used extensively in astronomy and geodesy. To grasp its minuteness, consider that an arcsecond is 1/3600th of a degree, and there are 360 degrees in a full circle. For practical perspective, the apparent size of a U.S. dime viewed from about 4 kilometers (or 2.5 miles) away roughly equals an arcsecond.

In the realm of astronomy, arcseconds are crucial for measuring celestial events and distances. The Hubble Space Telescope’s resolution power is often celebrated for its ability to distinguish details as tiny as about 0.05 arcseconds—akin to seeing a bumblebee 800 kilometers away! This unit’s precision is vital for understanding the cosmos, from determining stellar positions to mapping distant galaxies.

Did you know?

The gradian, also known as a gon, is a fascinating and less commonly used unit of angular measurement. It divides a circle into 400 equal parts, unlike the more familiar degrees or radians. Interestingly, its use is more prevalent in surveying and engineering because it simplifies calculations—each right angle is exactly 100 gradians.

The gradian was introduced during the French Revolution as part of the metric system’s attempt to decimalize units of measurement. Though it didn’t gain widespread adoption, gradian remains a testament to innovative efforts in standardizing measurements. Its legacy continues, offering an intriguing alternative for those looking to simplify complex angular calculations or explore history’s impact on our mathematical tools.

> Arcseconds to Gradians Conversion Table

Arcseconds Gradians
0 arcsec 0 grad
50 arcsec 0.0154321 grad
100 arcsec 0.0308642 grad
150 arcsec 0.0462963 grad
200 arcsec 0.0617284 grad
250 arcsec 0.0771605 grad
300 arcsec 0.0925926 grad
350 arcsec 0.108025 grad
400 arcsec 0.123457 grad
450 arcsec 0.138889 grad
500 arcsec 0.154321 grad
550 arcsec 0.169753 grad
600 arcsec 0.185185 grad
650 arcsec 0.200617 grad
700 arcsec 0.216049 grad
750 arcsec 0.231481 grad
800 arcsec 0.246914 grad
850 arcsec 0.262346 grad
900 arcsec 0.277778 grad
950 arcsec 0.29321 grad
1000 arcsec 0.308642 grad
1050 arcsec 0.324074 grad
1100 arcsec 0.339506 grad
1150 arcsec 0.354938 grad
1200 arcsec 0.37037 grad
1250 arcsec 0.385802 grad
1300 arcsec 0.401235 grad
1350 arcsec 0.416667 grad
1400 arcsec 0.432099 grad
1450 arcsec 0.447531 grad
1500 arcsec 0.462963 grad
1550 arcsec 0.478395 grad
1600 arcsec 0.493827 grad
1650 arcsec 0.509259 grad
1700 arcsec 0.524691 grad
1750 arcsec 0.540123 grad
1800 arcsec 0.555556 grad
1850 arcsec 0.570988 grad
1900 arcsec 0.58642 grad
1950 arcsec 0.601852 grad
2000 arcsec 0.617284 grad
2050 arcsec 0.632716 grad
2100 arcsec 0.648148 grad
2150 arcsec 0.66358 grad
2200 arcsec 0.679012 grad
2250 arcsec 0.694444 grad
2300 arcsec 0.709877 grad
2350 arcsec 0.725309 grad
2400 arcsec 0.740741 grad
2450 arcsec 0.756173 grad
2500 arcsec 0.771605 grad
2550 arcsec 0.787037 grad
2600 arcsec 0.802469 grad
2650 arcsec 0.817901 grad
2700 arcsec 0.833333 grad
2750 arcsec 0.848765 grad
2800 arcsec 0.864198 grad
2850 arcsec 0.87963 grad
2900 arcsec 0.895062 grad
2950 arcsec 0.910494 grad
3000 arcsec 0.925926 grad
3050 arcsec 0.941358 grad
3100 arcsec 0.95679 grad
3150 arcsec 0.972222 grad
3200 arcsec 0.987654 grad
3250 arcsec 1.00309 grad
3300 arcsec 1.01852 grad
3350 arcsec 1.03395 grad
3400 arcsec 1.04938 grad
3450 arcsec 1.06481 grad
3500 arcsec 1.08025 grad
3550 arcsec 1.09568 grad
3600 arcsec 1.11111 grad